Trail Running calendar near Vienna 2026-2027

The 11th Annual Cancer Warriors Inc. 5K runs from the Ma & Pa Trail Head in Belair near Independent Brewery and offers both in person and virtual 5K options, with proceeds directed to cancer research through a certified nonprofit.

An annual community 5K run and walk at Agricultural History Farm Park in Derwood, Maryland on September 27, 2026, organized by MD District 15 Democratic Caucus. Offers adult and youth entries plus a free youth option with an accompanying ad..

Experience the full reservoir trail system on this thirteen mile course in Fredericksburg. Runners navigate flowing singletrack and five distinct climbs totaling over nine hundred feet of elevation gain through scenic wooded terrain.

A 110-mile trail ultramarathon in the Massanutten range with about 22,300 feet of elevation gain, a 48-hour limit, required second-half crew support, and multiple staffed and unattended aid stations.

Trail canicross races at Caledon State Park offer two distances, allow leashed dogs, and provide a reusable speedCup; entry fees support Friends of Caledon State Park.

A canicross and trail event on October 3, 2026 in Gordonsville, VA offering competitive 10K and 5K races, a 1.25 mile sprint, a casual dog friendly 5K, and a virtual 5K, with technical trails, three water stations, and a Finisher's Festival..

A 12 hour trail event at Prince William Forest Park near Triangle, VA, run on a 6.5 mile figure eight loop with 650 feet of elevation gain per loop. Options include a 30 km race, a 12 hour entry, and a 2 person relay.

Fall Harvest 5k is a trail 5 km race at Claude Moore Park in Sterling, VA on October 3, 2026. The event includes an in-person 5K and several virtual entry options, and published fees include mandatory charges; promo codes are not accepted.

Experience a unique trail run through 1600 acres of former prison grounds at Laurel Hill Park. Choose between 5.4 or 10 mile distances on scenic singletrack featuring historic guard towers and open meadows.

A trail event at Pohick Bay Regional Park on October 4, 2026 offering 5 km and 10 km courses plus virtual participation options. Walkers are welcome.

Experience a unique trail event at Milkhouse Brewery in Mount Airy featuring a 5 mile race and timed ultra challenges. Complete as many loops as possible over four or eight hours on this scenic farm course.

A community trail event on October 11, 2026 at Bretton Woods Recreation Center in Darnestown, MD offering a 5K trail run and a 1 mile walk. The event raises funds and awareness for addiction prevention, education, and support.

Participate in a 10 km run through the scenic Black Hill Regional Park in Boyds. This low key event offers a straightforward racing experience for both club members and the general public in a natural park setting.

The Annual Boulder Dash at Pinesburg Quarry in Williamsport, MD on October 17, 2026 offers three distances : 5 miles, 5K and 1 mile, and the quarry will be closed during the event for safety.

Evenstar Ultras is a timed trail event at Shenandoah River State Park with 3, 6, 12 and 24 hour options on a 3.48 mile loop. Frequent returns to the main aid station reduce the need to carry heavy gear.

A scenic, flat 5K and 10K at Bluemont Park in Arlington on October 17, 2026. Walkers and strollers are welcome and virtual entry options include medal and shirt choices.

Experience the scenic singletrack trails of Lake Fairfax Park with 5 mile and 10 mile race options. Enjoy a community atmosphere with post race breakfast and a dedicated program for children.

A 5.25 miles trail race at Gunpowder State Park on October 18, 2026, with a steep opening climb, single track sections, and a faster finish. The event is donation based and offers on site registration.

Trail races of 50k and 25k take place in Patapsco Valley State Park on October 24, 2026 with in-person and virtual options. All entrants receive event apparel and a finishers award, and virtual runners have Oct 24 to Nov 24 to complete thei..

A marked trail competition in Prince William Forest Park offering a 25 km one loop and a 50 km two loop option with on course aid stations. Entry opens September 15, 2026 and the field is limited to 110 runners.